IWC Portofino Portofino Automatic 37 Stainless Steel / Silver

Reference IW4586-10

IWC Portofino Automatic 37 Stainless Steel / Silver

About this watch

The IWC Portofino Automatic 37 (IW4586-10) is a stunning watch that offers a perfect blend of elegance, functionality, and reliability. Its sophisticated design and impressive movement make it a worthy addition to any watch collection. The round stainless steel case exudes durability while maintaining a sleek profile, with a diameter of 37.00 mm that's perfect for those who prefer a more delicate watch. The silver dial is a masterpiece in itself, featuring stick and dot indexes delicately placed around the dial. The feuille hands glisten in the light, providing a luxurious touch that elevates the entire aesthetic. With a frequency of 28,800 vibrations per hour (4 Hz) and an impressive power reserve of 120 hours, this automatic movement is a marvel of engineering. The watch boasts a water resistance of 50 meters, making it suitable for everyday wear. Whether you're caught in the rain or splashing water during your morning routine, you can rest easy knowing your Portofino can handle it. This timepiece is not only beautiful but also highly functional, featuring a date display that adds significant functionality without compromising its elegance.

Buy Now on Jomashop

This is an affiliate link

Key Features

Automatic IWC caliber 32111 movement
Sapphire glass with scratch-resistant and durable properties
Water resistance of 50 meters for everyday wear
Elegant silver dial with stick and dot indexes
Feuille hands for a luxurious touch
Compact size of 37.00 mm diameter
120-hour power reserve for reliable accuracy

Specifications

Brand

IWC

Family

Portofino

Model

Portofino Automatic 37 Stainless Steel / Silver

Reference

IW4586-10

Movement

32111

Movement Features

Hours, Minutes, Seconds
Date

Case

Stainless Steel 37mm

Dial Color

Silver

Crystal

Sapphire

Water Resistance

Current Listings

IWC Portofino Automatic Moon Phase Limited Edition Year of the Snake Ref IW459604 37mm Full Kit 2025 $8,200

IWC - IW459604 · $8,200

A limited edition IWC Portofino Automatic Moon Phase watch with a striking and elegant design, featuring a moon phase display and a bespoke snake-shaped solid gold rotor.

Condition: Great condition
Case size: 37.1mm diameter
Thickness: 11.3mm
Water resistance: ~50m (5 bar)

Posted at

Mar 21, 2026, 3:36 PM

Active

View listing on r/WatchExchange

IWC Portofino Automatic Moon Phase 40mm Blue Dial IW459402 Complete

IWC - IW459402 · $4,950

This IWC Portofino Automatic Moon Phase features a blue dial in a 40mm case. It includes inner & outer IWC boxes, manual, and warranty card.

Condition: Very good, with a few microscratches on the caseback and clasp
Box set included: Yes
Warranty expiration year: 2028

Posted at

Mar 20, 2026, 10:23 AM

Active

View listing on r/WatchExchange

IWC Portofino Automatic Moon Phase 40mm IW459402

IWC - IW459402 · $5,750

2020 IWC Portofino Automatic Moon Phase in 40mm stainless steel with blue dial and moon phase display.

Condition: Very Good to Excellent pre-owned
Movement: automatic movement
Material: stainless steel
Case size: 40mm

Posted at

Mar 16, 2026, 8:11 PM

Active

View listing on r/WatchExchange

IWC Portofino Chronograph 39mm Black Dial IW391404

IWC - IW391404 · $5,750

2021 IWC Portofino Chronograph in 39mm stainless steel features a stunning, classic combination of black dial with gold hands and markers. A slim automatic chronograph, beautifully proportioned dress watch.

Condition: Very Good to Excellent pre-owned
Year: 2021
Material: stainless steel
Size: 39mm diameter

Posted at

Mar 16, 2026, 2:22 PM

Active

View listing on r/WatchExchange

IWC Portofino Automatic Moon Phase Limited Edition Year of the Snake Ref IW459604 37mm Full Kit 2025 $8,200

IWC - IW459604 · $8,200

A limited edition IWC Portofino Automatic Moon Phase watch with a 37mm stainless steel case, burgundy/red dial, and moon phase display. It features an 18k 5N gold snake-shaped rotor and comes with two quick-change calfskin straps.

Condition: great condition
Case size: 37.1 mm
Thickness: 11.3 mm
Dial color: burgundy/red

Posted at

Mar 13, 2026, 9:14 PM

Active

View listing on r/WatchExchange

IWC Portofino Automatic Moon Phase 40mm Blue Dial IW459402 Complete

IWC - IW459402 · $4,950

A blue dial IWC Portofino Automatic Moon Phase in 40mm diameter, features an automatic movement.

Condition: In very good condition, rated at 9.5/10
Caseback scratches: a few microscratches
Clasp scratches: a few microscratches
Included items: Inner & outer IWC boxes, manual, and warranty card

Posted at

Mar 13, 2026, 10:29 AM

Active

View listing on r/WatchExchange

IWC Portofino Chronograph 39mm - Warrantly until 2030

IWC - IW391406 · $5,200

The IWC Portofino Chronograph 39 combines a classic design with sportiness in a compact case size of 39 millimeters.

Case Size: 39mm diameter
Warranty Until: 2030

Posted at

Mar 13, 2026, 10:26 AM

Active

View listing on r/WatchExchange

IWC Portofino Automatic 40MM IW356303 Silver Dial

IWC - IW356303 · $2,080

IWC Portofino Automatic 40MM IW356303 Silver Dial is a men's watch with a mechanical automatic movement.

Condition: 90%
Size: 40mm diameter
Case material: Stainless Steel

Posted at

Apr 8, 2025, 8:48 AM

Active

View listing on RolexForums

2024 IWC Portofino Hand-Wound Moon Phase Silver Steel FULL SET MINT IW516401

IWC - IW516401 · $8,875

This IWC Portofino Hand-Wound Moon Phase features a silver-plated dial with a moon phase display, high-polished stainless steel domed bezel and case, and an exhibition caseback offering a clear view of the movement. It has an 8-day power reserve when fully wound and includes various functions such as hours, minutes, date, small seconds subdial, moon phase display, and power reserve indicator.

Condition: Mint
Case Size: 42mm
Material: stainless steel
Movement Type: hand-wound

Posted at

Apr 2, 2025, 5:33 PM

Active

View listing on RolexForums